import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Scanner;

/**
 *
 */

public class Test {
        public static void main(String[] args) {
            Scanner scanner = new Scanner(System.in);
            List<Integer> list = new ArrayList<>();
            int num1 = scanner.nextInt();
            int num2 = scanner.nextInt();
            int num3 = scanner.nextInt();
            int num4 = scanner.nextInt();
            int num5 = scanner.nextInt();
            scanner.close();
            list.add(num1);
            list.add(num2);
            list.add(num3);
            list.add(num4);
            list.add(num5);
            System.out.print("普通for循环:");
            for(int i=0;i<list.size();i++) {
                System.out.print(list.get(i)+" ");
            }

            System.out.println();
            System.out.print("增强for循环:");
            for(Integer integer: list) {
                System.out.print(integer+" ");
            }

            System.out.println();
            System.out.print("迭代器遍历:");
            Iterator it = list.iterator();
            while(it.hasNext()) {
                System.out.print(it.next()+" ");
            }
            System.out.println();
        }
}

